1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef BOOT_STRING_H 3 #define BOOT_STRING_H 4 5 /* Undef any of these macros coming from string_32.h. */ 6 #undef memcpy 7 #undef memset 8 #undef memcmp 9 10 void *memcpy(void *dst, const void *src, size_t len); 11 void *memset(void *dst, int c, size_t len); 12 int memcmp(const void *s1, const void *s2, size_t len); 13 14 /* 15 * Access builtin version by default. If one needs to use optimized version, 16 * do "undef memcpy" in .c file and link against right string.c 17 */ 18 #define memcpy(d,s,l) __builtin_memcpy(d,s,l) 19 #define memset(d,c,l) __builtin_memset(d,c,l) 20 #define memcmp __builtin_memcmp 21 22 extern int strcmp(const char *str1, const char *str2); 23 extern int strncmp(const char *cs, const char *ct, size_t count); 24 extern size_t strlen(const char *s); 25 extern char *strstr(const char *s1, const char *s2); 26 extern char *strchr(const char *s, int c); 27 extern size_t strnlen(const char *s, size_t maxlen); 28 extern unsigned int atou(const char *s); 29 extern unsigned long long simple_strtoull(const char *cp, char **endp, 30 unsigned int base); 31 32 int kstrtoull(const char *s, unsigned int base, unsigned long long *res); 33 int boot_kstrtoul(const char *s, unsigned int base, unsigned long *res); 34 #endif /* BOOT_STRING_H */ 35